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Total No. of Pages : 02
Total No. of Questions : 22
B.Pharma (2017 Batch) (Sem.-4)
PHARMACEUTICAL ORGANIC CHEMISTRY-III
Subject Code : BP-401T
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M.Code : 75843
Time: 3 Hrs.
Max. Marks : 75
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains THREE questions carrying TEN marks each and student has to attempt any TWO questions.
- SECTION-C contains NINE questions carrying FIVE marks each and student has to attempt any SEVEN questions.
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SECTION-A
Write short notes on :
- What do you understand by heterocyclic compounds? Give examples.
- Draw and specify D & L configuration of glyceraldehyde.
- Explain enantiomerism versus diastereoisomerism.
- Draw all possible conformations of cyclohexane. Which is more stable?
- Write the structure of meso tartaric acid in Fischer projection.
- What is Atropisomer?
- Write chemical structure with numbering of isoquinoline and acridine.
- Write structures of pyrazole and purine.
- Write structure and medicinal uses of imidazole.
- What is Oppenauer-oxidation?
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SECTION-B
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- Discuss with examples Clemmensen reduction, Birch reduction and Wolff Kishner reduction.
- Write detailed note on relative aromaticity, reactivity and uses of pyrrole, furan and thiophene.
- Write detailed note on methods used for the determination of the configuration.
SECTION-C
- Give an account of asymmetric synthesis.
- Molecular dissymmetry is an essential feature for optical activity. Comment giving example.
- Give an account on stereoisomerism in biphenyl compounds.
- Discuss mechanism and synthetic importance of Beckmann's rearrangement.
- Write a detailed note on metal hydride reduction.
- Write synthesis and uses of Quinoline and Indole.
- Explain Claisen-Schmidt condensation.
- Discuss racemic modification and resolution of racemic mixture.
- Give brief note on stereoselective and stereospecific reactions.
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NOTE: Disclosure of Identity by writing Mobile No. or Marking of passing request on any paper of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Pharma 4th Semester Last 10 Years 2011-2021 Previous Question Papers|| Punjab Technical University
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